/**
 * Description:
 *
 * @Autor: Rolin
 * datetime: 05-27-16:00
 */
public class test2 {
    public static void main(String[] args) {
        String fileName = "02.hah.mp4";
        String title = (String) fileName.subSequence(0,fileName.lastIndexOf("."));
        System.out.println(title);
    }
}
